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360results about How to "Improve water purification efficiency" patented technology
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Composite unit for restoration of landscape water body
ActiveCN103626355ADoes not affect flood dischargeImprove water purification efficiencyMultistage water/sewage treatmentHydraulic engineering apparatusFiltrationWater quality
The invention discloses a composite unit for restoration of a landscape water body. The composite unit at least comprises a water quality regulating zone, a filtration and sewage interception zone, an emergent aquatic plant arranging zone, a waterfall reoxygenation zone, an artificial floating island arranging zone, a base and a connecting pipe, wherein the water quality regulating zone is fixed on the filtration and sewage interception zone in an embedded mode, the middle of the emergent aquatic plant arranging zone is provided with a diversion table, the upper part of the diversion table is used for supporting the filtration and sewage interception zone, the filtration and sewage interception zone, the diversion table, the waterfall reoxygenation zone, the artificial floating island arranging zone and the base are respectively provided with a first center hole, a second center hole, a third center hole, a fourth center hole and a fifth center hole, and the connecting pipe passes through the first center hole, the second center hole, the third center hole, the fourth center hole and the fifth center hole to allow the filtration and sewage interception zone, the emergent aquatic plant arranging zone, the waterfall reoxygenation zone, the artificial floating island arranging zone and the base to be fixedly connected from top to bottom. The composite unit has the advantages of high water purification efficiency, no generation of secondary pollution, simple and convenient construction and maintenance, low investment cost and a small occupied water area.
Owner:JIANGSU ZHONGYI HUANKE WATER BODY REMEDIATION +1
Solar energy water purifier
InactiveCN103951007AReduce consumptionGuaranteed cleanlinessGeneral water supply conservationWater/sewage treatmentEngineeringSewage
The invention discloses a solar energy water purifier, which comprises a purifying pool, a clean water tank, a condensation plate, a water inlet, a water outlet, a vacuum port and a cooling port, the clean water tank is arranged at one side of the purifying pool, the condensation plate is arranged on the upper end of the purifying pool and the clean water tank, the water inlet is arranged at the upper end of the purifying pool, the water outlet is arranged at the lower end of the purifying pool, the vacuum port is arranged at the top of the purifying pool, and the cooling port is arranged at the upper end of the condensation plate. Through the above mode, the solar energy water purifier has the advantages of high reliability, compact structure, fast purifying speed, low energy consumption, good purifying effect, convenient usage, simple arrangement and low price, and has wide market prospect in sewage purifying and seawater desalination industries.
Owner:苏州市玄天环保科技有限公司
Aquaculture water purification agent and preparation method thereof
ActiveCN103214074AQuick purificationReduced duration of actionWater/sewage treatment by flocculation/precipitationWater qualityPotassium ferrate
The invention relates to an aquaculture water purification agent. The purification agent comprises the following components in parts by weight: 200-300 parts of polyaluminium chloride, 200-300 parts of potassium ferrate, 0.1-20 parts of cationoid polyacrylamide, 1-20 parts of powdered sulfur, 10-100 parts of activated carbon, 2-40 parts of calcium oxide, 100-300 parts of zeolite powder, 100-300 parts of kieselguhr and 0.1-5 parts of copper sulphate. The invention further relates to a preparation method of the aquaculture water purification agent. The aquaculture water purification agent is ingenious in design, has a physical purification and chemical agent synergistic effect and an obvious coagulation effect, quickly and thoroughly purifies and is suitable for large-scale popularization and application.
Owner:SHANGHAI YUKING WATER SOLUBLE MATERIAL TECH
High-throughput cavitation and electrocoagulation apparatus
ActiveUS20110147231A1Efficient purificationIncrease chanceCellsPolycrystalline material growthCavitationElectrocoagulation
The invention relates to a cavitation and electrocoagulation reactor comprising a hollow cylindrical cathode having a cylindrical anode coaxially disposed therein to form an annular interelectrode gap between the contact surfaces. An inlet sleeve and an outlet sleeve disposed in the respective inlet and outlet of the cathode and abutting against opposite ends of the anode seal the interelectrode gap from the respective inlet and outlet of the cathode. A set of channels disposed in the wall of the inlet sleeve connect the inlet to the interelectrode gap. Similarly, a set of openings disposed in the outlet sleeve connect the interelectrode gap to the cathode outlet. An electrical source has first and second terminals respectively connected to the anode and the cathode. The method for removing contaminants from a contaminated fluid flow involves the simultaneous application of hydrodynamic cavitation and electrocoagulation to the contaminated fluid flow.
Owner:CAVITATION TECH
Solar water purifier for lakes and water purification method thereof
ActiveCN106467330AFast dissolutionDrug works wellWater cleaningWater contaminantsSolar waterSolar cell
The invention mainly discloses a solar water purifier for lakes and a water purification method thereof. According to the technical scheme, the solar water purifier comprises a main body, a purification system, an energy system, a drive unit, a lighting device and a fixation device. The energy system comprises a solar cell panel, a storage battery and a charging panel. An oxygenation chamber, a disinfection chamber and a purifying chamber are arranged inside the main body. An ozone generator, an air compressor, a bubble generator and an aerator pipe are disposed inside the oxygenation chamber. A drug blending tank is arranged inside the disinfection chamber. A purifier is disposed inside the purifying chamber. When the device operates, installation and pilot run of the device are firstly carried out. After successful pilot run, the device is put into a lake. By mobile positioning of the drive unit, a water body undergoes disinfection, oxygenation and purification. The energy system provides energy. Thus, energy is self-sufficient. The solar water purifier has a simple structure, is low-cost and clean. By various purification methods, purification efficiency is high. By the floating and stationary combined design, position of the device can be controlled freely. Thus, repair rate of water body is high. The solar water purifier is easy to operate.
Owner:ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
Undercurrent-surface current composite artificial marshland
ActiveCN101113050APlay the role of purifying sewageImprove water purification efficiencySustainable biological treatmentBiological water/sewage treatmentConstructed wetlandWater quality
The invention provides a subsurface flow and surface flow complex manmade wetland. The complex manmade wetland comprises a land, a subsurface reservoir and a surface reservoir, a surface collecting pool and a subsurface collecting pool. One side of the land is provided with the subsurface reservoir and the surface collecting pool, and the other side of the land is provided with the subsurface collecting pool and the surface collecting pool. The subsoil of the land is filled with a gravel layer, and the upper soil is covered with a pastoral earth; the filling depth ratio between the gravel layer and the pastoral earth is 3: 2. Emersed plant, floating plant and submerged plant are planted on the pastoral earth of the upper soil of the land; the subsurface collecting pool is communicated with the surface reservoir through a water pipe equipped with a valve. The invention combines the advantages of subsurface wetland and surface wetland such as high water purification efficiency, high water quality, high hydraulic load, low investment and operational charge, and good treatment effect; according to actual need, a plurality of measures can be used such as alternatively adopting subsurface flow and surface flow, subsurface flow and surface flow.
Owner:SHANDONG UNIV
Air flotation and electrocoagulation system
InactiveUS20140116942A1Efficient purificationIncrease chanceWaste water treatment from quariesSludge treatmentCavitationFiltration
The invention relates to apparatuses, systems, and methods for the treatment of contaminated fluids, in particular water. The system is generally a continuous flow system including a multi-stage cavitation device, an electrocoagulation device, and an air flotation unit. The electrocoagulation device includes a plurality of interweaved cathode and anode plates. The anode plates are coated with an oxygen generating mixed-metal oxide coating. The air flotation unit includes a cavitation aerator and electrode blocks to introduce air bubbles into the fluid. Contaminants attach to the air bubbles and float to the fluid surface where they are removed as sludge. Treated fluid is passed through a final filtration system. The methods involve the processes imparted by the various apparatuses on the fluid.
Owner:CAVITATION TECH
Method for purifying wastewater through magnetic nano TiO2/SiO2/Fe2O3 composite photocatalyst and equipment
InactiveCN1562817AImprove water purification effectImprove water purification efficiencyPhysical/chemical process catalystsMultistage water/sewage treatmentCompound (substance)Wastewater
The method is to do photochemical oxidizing reaction to sewage preprocessed by chemical coagulating sedimentation. Special photochemical oxidizing apparatus is used to make sewage being fully mixed with nanometre photochemical catalyst powder on condition of lighting, then producing photochemical oxidizing reaction, thus harmful substances are oxidized and reducted.
Owner:RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN
Preparation method of nanometer starch-based flocculating agent with heavy metal trapping effect
InactiveCN104761680AReduce dosageReduce processing costsWater/sewage treatment by flocculation/precipitationSolventCarbon disulfide
The invention provides a preparation method of a nanometer starch-based flocculating agent with a heavy metal trapping effect. The nanometer starch-based flocculating agent adopts nanometer starch as a basic skeleton, and the sewage flocculating agent with a heavy metal trapping effect is obtained on the basis of polymer modification. The preparation method of the nanometer starch-based flocculating agent comprises the following steps: 1, preparing nanometer starch by using a sodium hydroxide / urea / water mixed alkaline hydrolysis freeze-thawing process; 2, cross-linking the nanometer starch to obtain cross-linked nanometer starch; 3, initiating acrylamide free radical polymerization by the cross-linked nanometer starch to obtain a cross-linked nanometer starch acrylamide polymer; and 4, reacting the cross-linked nanometer starch acrylamide polymer with carbon disulfide under alkaline conditions to obtain cross-linked nanometer starch acrylamide xanthogenate with heavy metal trapping and flocculating effects. The nanometer starch-based flocculating agent prepared in the invention has flocculating and heavy metal trapping dual effects, has the advantages of small use amount, low treatment cost and high water purifying efficiency, is especially suitable for treatment of supplied municipal water, industrial wastewater and domestic sewage, and is an efficient environmentally-friendly organic polymeric flocculating agent.
Owner:NORTHEAST NORMAL UNIVERSITY
High efficiency fluidization upward flow multilayer composite filter material biological filter tank coupled with ozonation and water treatment method thereof
InactiveCN102745863AGuaranteed removal rateGuarantee the water qualityMultistage water/sewage treatmentBiomassFilter material
The invention provides a high efficiency fluidization upward flow multilayer composite filter material biological filter tank coupled with ozonation and a water treatment method thereof, relating to a biological filter tank and a water treatment method using the biological filter tank. The biological filter tank is composed of an upper filter material, a medium filter material, a lower filter material and a supporting layer, wherein the upper filter material is active carbon, anthracite or biological ceramsite, the medium filter material is modified zeolite, natural zeolite or synthetic zeolite and the lower filter material is a phosphorus functional material. The filter tank is characterized by fast start, a complex and stable biological phase, great biomass, high activity, strong impact resistance, a filter material expansion rate of 0% to 50%, small resistance at the head of the filter tank, high mass transfer efficiency of materials, oxygen and pollutants, a high utilization rate of filter layers and filter materials and small possibility of occurrence of hardening of the filtering materials. The filter tank is applicable to treatment of raw water in which the concentration of water source phosphorus, ammonia nitrogen and organic pollutants fluctuates and can stably operate at a low temperature.
Owner:HARBIN INST OF TECH
Water purified agent for aeration, sterilizing of aquatic product culture and equipment thereof
InactiveCN1792863ASolve the problem of hypoxiaSolve problems such as water quality deteriorationWater/sewage treatment by substance additionWater/sewage treatment using germicide/oligodynamic-processDecompositionAquatic product
A chemical to enrich oxygen, and disinfect and clean water for culturing aquatic products is a coated three-element addition of sodium sulfate, hydrogen peroxide and sodium chloride. Its preparing process features that the stabilizer is added in its synthesizing procedure for preventing the decomposition of hydrogen peroxide and product, and increasing the output rate and the content of active oxygen.
Owner:ZHEJIANG UNIV
Well drilling wastewater flocculation precipitation treatment device and wastewater treating method
InactiveCN102757143ASlow down hard to transportReduce uniformityWaste water treatment from quariesMultistage water/sewage treatmentFlocculationWater discharge
Owner:四川省环保科技工程有限责任公司
Novel photocatalysis filter tank device and water treatment system
InactiveCN102701317APrevent slippingEasy to disassembleWater/sewage treatment by irradiationWater/sewage treatment by oxidationSludgeLight energy
The invention discloses a novel photocatalysis filter tank device and a water treatment system. The filter tank device consists of a device outer wall, an ultraviolet lamp tube, a tower tray support column, a filter material and a filter material tower tray, wherein a transparent glass bead carrier is taken as the filter material, and waste water is treated by a nanometer TiO2 film with the capability of effectively degrading organic pollutants through photo-catalytic oxidation under the irradiation of ultraviolet light.. The water treatment system mainly comprises a filter bed, an illumination system, a water distribution system and a backflow system. The novel photocatalysis filter tank device organically combines the conventional biomembrane filtering tank with the advanced photocatalysis treatment process, is ingenious in design and compact in layout, allows a light source to be uniformly distributed in the filter material, has a good hydraulic power condition, can fully utilize light energy, does not need aeration, does not generate sludge and secondary pollution, is convenient to operate and simple to maintain, is high in water-quality purification efficiency and sterilization capability, and is mainly applied to the fields of reclaimed water reuse, deep sludge (waste) water treatment and the like.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
Intensive integrated water purification equipment
InactiveCN102120655ASmall footprintImprove land utilizationMultistage water/sewage treatmentFlocculationSludge
The invention discloses intensive integrated water purification equipment. The equipment is separated into five sections according to difference of water purification units, and the five sections are connected through flanges; and the equipment is provided with a mud collecting area, a primary flocculation area, an inner-cylinder clustering flocculation area / and an outer-cylinder sludge concentration area, a sludge separation area, an inclined tube sedimentation area, a backwashing gas distribution area, a filtration area, and a clear water area from bottom to top. The equipment is provided with devices such as an agitator blade used for particles to form agglomerated floc, a rotary gas distribution plate used for gas-water backwashing of a filter material, small-space spiral sloping panels used for concentrating sludge and the like; and the whole equipment is simple in structure, water purification functional units are compactly connected, the flat plane utilization rate is high, and the equipment is convenient to operate, can maximize the water purification function, and has important practical significance for medium and small water supply systems.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
System and method for landscape fishpond purification treatment
ActiveCN106082533AExpand the range of suctionImprove water quality treatment effectWater cleaningTreatment using aerobic processesWater qualityEnvironmental engineering
The invention mainly discloses a system and method for landscape fishpond purification treatment. According to the technical scheme, the system comprises a water quality monitoring device, a water purification device and a water surface decontamination device, the water purification device comprises a shell, a water inlet pipe, an aerator pipe, a blowdown pipe and a water outlet pipe, a filtering area, an active mud area and a sterilization area are arranged in the shell from inside to outside in sequence in a nested mode, and both the water inlet pipe and the blowdown pipe are connected with the filtering area; the water outlet pipe is connected with the sterilization area, the two ends of the aerator pipe are located outside the active mud area and the shell respectively, and the water surface decontamination device comprises a collection box, a stain adsorption head and a stain adsorption pipe. The method comprises the steps of 1, installing the water purification device; 2, installing the water surface decontamination device; 3; conducting water quality detection; 4, conducting water purification; 5, conducting water surface purification; 6, conducting detection again; 7, cleaning the devices. The system is reliable in performance, water purification can be conducted automatically, water quality purification efficiency is high, treatment time and period are short, and normal operation of a fishpond system is guaranteed.
Owner:ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
Mariculture water body purification composite microbial preparation
InactiveCN104512968AImprove water purification efficiencyHigh viable countSeawater treatmentWater treatment compoundsBacillus licheniformisFeces
The invention discloses a mariculture water body purification composite microbial preparation, and belongs to the technical field of water body purification. The contents of component concentrated bacterial powders of the composite microbial preparation comprise 20-50% of bacillus subtilis, 5-15% of bacillus licheniformis, 10-30% of bacillus cereus, 1-5% of pseudomonas aeruginosa, 1-5% of rhodococcus erythropolis, 5-10% of pseudomonashalophila, 5%-15% of rhodopseudomonas palustris, and 15%-40% of enterococcus faecium. After the bacterial powders are mixed in proportion, packaging is carried out by adopting a water soluble material. The composite microbial preparation is put into a mariculture water body, enables dominant strains to be reproduced rapidly, allows culture pond redundant remnant feeds, feces, animal and plant dead bodies and other organic pollutants to be decomposed by active and abundant enzyme systems, and can significantly reduce the contents of ammonia nitrogen and nitrite in the culture water body.
Owner:ZHENJIANG BIO INNOVA BIOTECH
Construction method of lake water purification system
ActiveCN106517639ATo achieve the effect of purifying waterRich and variedTreatment using aerobic processesWater contaminantsWater qualityFlood control
The invention discloses a construction method of a lake water purification system. The method includes the steps of: (a) site surveying; (b) site construction; (c) precipitation zone configuration; (d) aeration zone configuration; (e) compounding zone configuration; (f) ecological planting zone configuration; (g) floating island unit establishing; and (h) regional beautification. The method provided by the invention has the advantages of simple construction, short construction period and cost saving, and after construction, the purification system has the functions of water storage, flood control, and water and air purification, can protect biodiversity, adjust microclimate and improve environmental quality, thus laying the foundation for water quality improvement of regional lake water.
Owner:ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
Preparation method and device for bottom blowing type photocatalytic porous permeable brick
The invention discloses a preparation method and device for a bottom blowing type photocatalytic porous permeable brick. The preparation device for the bottom blowing type photocatalytic porous permeable brick is characterized by comprising a forming die, a breathable end cover, a porous lining board, a draw bar, a nylon mesh, an air inlet pipe and a water draining pipe. The preparation method for the bottom blowing type photocatalytic porous permeable brick comprises the following steps: (1) smashing straw into particles with the length of 1-2cm; (2) putting the straw particles into a water glass solution to be soaked for 30 minutes, then taking out, and drying; (3) soaking in tung oil for 5 minutes, and then drying; (4) uniformly mixing the straw particles, cement, river sand, water glass, chopped fiber glass filaments, a cement foaming agent and water; (5) pouring mixed slurry into the forming die, and introducing CO2 gas at the temperature of 80 DEG C for curing; (6) drying for 5-7 days; (7) carrying out heat preservation on a porous brick for 1 hour at the temperature of 150 DEG C, slowly heating to 400 DEG C, carrying out heat preservation for 5 hours, and carrying out furnace cooling; and (8) impregnating and drawing a porous permeable brick in a photocatalytic plating solution for 5 minutes and then drying, and repeating for 3-4 times, so that the photocatalytic porous permeable brick is obtained.
Owner:HOHAI UNIV
Charcoal and iron composite material and preparation method thereof
InactiveCN103755040APromote degradationImprove water purification efficiencyWater contaminantsWater/sewage treatment by sorptionInorganic saltsActivated carbon
The invention provides a charcoal and iron composite material and a preparation method thereof. The charcoal and iron composite material consists of carbon-base nano hydroxyl iron and microorganism which is immobilized on the carbon-base nano hydroxyl iron and has a capacity of degrading polluting inorganic salt in water, wherein the carbon-base nano hydroxyl iron is additionally composed of activated carbon and nano hydroxyl iron supported on the activated carbon, because the carbon-base nano hydroxyl iron can adsorb the polluting inorganic salt in the water, and specially domesticated microorganism having special degrading capacity on the polluting inorganic salt can rapidly degrade adsorbed and enriched polluting inorganic salt; therefore, the charcoal and iron composite material disclosed by the invention can organically combine a physical adsorption water purification method and a biodegradation water purification method when purifying water, so as to simultaneously adsorb and degrade the polluting inorganic salt in the water, thus greatly improving water purification efficiency.
Owner:TONGJI UNIV
Electromagnetic centrifugal type water purifier
ActiveCN105036263AImprove purification effectEasy to separateWater/sewage treatment by centrifugal separationWater/sewage treatment by magnetic/electric fieldsParticulatesElectrical field strength
The invention provides an electromagnetic centrifugal type water purifier and a purifying method thereof. The water purifier mainly comprises a propeller (4), a separating barrel (5), an anode (2), a cathode (9), an electromagnet pole N and an electromagnet pole S (13); a water inlet (8) is formed in the top of the separating barrel (5); a concentrated water central water outlet (7) is formed at the bottom end of the propeller (4); a concentrated water outer wall water outlet (11), a clean water guide slot (6) and a clean water outlet (12) are further formed in the bottom of the separating barrel (5); the outer surface of the anode (2) is packaged with an anode insulating layer (3); and the outer wall of the separating barrel (5) is packaged with a cathode insulating layer (10). According to the water purifying method disclosed by the invention, impurities comprising particles, bacteria, macromolecules, heavy metals, cations, anions and the like in water are separated by reasonably utilizing centrifugal force, electric field force and lorentz force simultaneously, so that water is purified; and the water purifying effect is optimal by controlling three parameters of fluid rotation speed, radial electric field intensity, and longitudinal magnetic field size. In order to completely separate anions and cations, the electromagnetic centrifugal type water purifier adopts two-stage purification, wherein direction of electromagnetic fields of second-stage purification is reverse to that of electromagnetic fields of first-stage purification. The electromagnetic centrifugal type water purifier adopts a circulating water path design, so that water purifying efficiency is improved and a wastewater ratio is reduced.
Owner:美中嘉和医学技术发展集团股份有限公司
Preparation method of hydrophilic chitosan modified basalt fiber support
InactiveCN108330686ALarge specific surface areaImprove mechanical propertiesFibre treatmentBiological water/sewage treatmentPolymer modifiedWater quality
The invention belongs to the technical field of sewage treatment and inorganic fiber modification, and relates to surface modification of basalt fibers, in particular to a preparation method of a hydrophilic chitosan modified basalt fiber support. The method comprises the following steps: firstly, etching is performed on the surfaces of the basalt fibers with alkali liquor, and the fibers are washed with deionized water to be neutral, dried and activated; then physical coating is performed, chitosan is taken as a modifier, the etched and dried basalt fibers are soaked in a chitosan solution, and the hydrophilic polymer modified basalt fiber support material is prepared. The method is simple in process, convenient to operate, suitable for industrial production and easy to popularize. The prepared modified basalt fiber support can keep original properties such as high specific surface area, excellent mechanical property, acid-base resistance and the like of the basalt fibers; a contact angle can be reduced, hydrophilicity of the basalt fibers is improved, adhesion of microbes on support surface is promoted, growth of a biofilm is accelerated, a biofilm formation period is shortened,capacity and activity of the microbes are increased, water purification efficiency is increased, and higher reuse rate is realized.
Owner:JIANGSU UNIV
Silt and sewage treatment method
InactiveCN101708907AImprove water purification efficiencyGood water purification effectSludge treatment by de-watering/drying/thickeningMultistage water/sewage treatmentChemistryPolyacrylamide
The invention relates to a silt and sewage treatment method, and belongs to the technical field of mine sewage treatment. The method comprises the following steps: (1) performing silt separation, namely performing primary separation on the silt and the sewage, and separating sand out; (2) performing sedimentation treatment, namely adding 0.2 to 0.4 mass percent solution of anionic polyacrylamide into the sewage, then adding 0.1 to 0.3 mass percent solution of anionic polyacrylamide into the sewage after sediment is generated, and separating the sediment out; and (3) performing sediment filter pressing, namely filter-pressing the sediment separated out by the step (2). The method of the invention effectively solves the mine sewage treatment problem, and separates three useful substances out comprising coarse sand, fine sand and sludge so as to increase the creation income of the enterprise.
Owner:湖州鹿山坞矿业有限公司
Water purification method and water purifier
InactiveCN105311876AIncrease profitImprove water purification efficiencyMachine part testingFiltration circuitsPurification methodsWater flow
The invention relates to the field of water purification, particularly to a water purification method. The method comprises the following steps: the detection step: detecting the water quality of original water to obtain a detection result; the recommendation step: providing a plurality of alternative filter element schemes according to the detection result and the preset water purification purpose, wherein each filter element scheme comprises a plurality of filter element combinations; the mounting step: mounting a plurality of the filter elements included in the filter element combinations according to the selected filter element scheme; the calculation step: counting the water flow, and calculating the service life of the filter elements; the judgment step: judging whether the service life of the filter elements expires or not, and if yes, carrying out the mounting step. According to the water purification method, after the detection result of the water quality of the original water is obtained, the filter scheme is selected and the filer elements are mounted according to the preset water purification purpose, so that the targeted water purification is achieved, the water purification efficiency is improved, and the use rate of water resource is increased.
Owner:SHENZHEN ZHISHUI XIAOHE TECH CO LTD
Green light energy water-cleaning method and its equipment
InactiveCN1412122ANo secondary pollutionImprove water purification effectWater/sewage treatment by irradiationWater/sewage treatment by oxidationIt equipmentLight irradiation
The present invention provides a green sewage cleaning method by using light energy, and is characterized by that it makes the pretreated sewage undergo the process of photocatalytic oxidation treatment, makes the sewage flow through the nano photocatalyst surface under the condition of light irradiation to make it produce photocatalytic oxidation reaction so as to make harmful particles be reduced. Said invention also provides its photocatalytic oxidation equipment for implementing said invented method, it includes sewage inlet, treatment tank and sewage outlet, in which the treatment tank interior equipped with a light source and transparent material with nano photocatalyst.
Owner:RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN
Portable forward osmosis water purification bag and using and cleaning method thereof
InactiveCN104478042AEffective for repeated useGuaranteed to be used repeatedlySemi-permeable membranesWater/sewage treatment bu osmosis/dialysisWater qualityCleaning methods
The invention belongs to the technical field of water purification, and particularly relates to a portable forward osmosis water purification bag and a using and cleaning method thereof. The portable forward osmosis water purification bag comprises an outer bag and an inner bag, wherein the outer bag is used for containing raw water; the inner bag is arranged in the outer bag and used for containing an absorbing liquid; the outer bag is made of a waterproof material; the inner bag is made of a forward osmosis membrane material; and furthermore, water inlets and water outlets are respectively formed in the outer bag and the inner bag in a staggered manner. According to the portable forward osmosis water purification bag, emergency drinking water can be provided at high efficiency; with a cross-flow cleaning technology as a support, the related structure capable of achieving forward-osmosis cross-flow cleaning is designed; the pollutants intercepted on the surface of the forward osmosis membrane surface are effectively removed; the service life of the water purification bag is prolonged; and the portable forward osmosis water purification bag is suitable for field application, and especially suitable for the conditions of army officers and soldiers or personnel for executing the task outdoors.
Owner:LOGISTICAL ENGINEERING UNIVERSITY OF PLA
Environment-friendly wastewater treatment device
InactiveCN108408854AImprove precipitation treatment efficiencyImprove purification effectWater/sewage treatment by flocculation/precipitationWater/sewage treatment apparatusWastewaterPulp and paper industry
The invention relates to an environment-friendly wastewater treatment device, which comprises a rack and supporting legs on the bottom of the rack. The environment-friendly wastewater treatment deviceis characterized in that a water storage chamber, a conical sedimentation tank, a slide chamber and a sedimentation chamber are arranged from the top down in the rack, a pure water outlet is arrangedon the lower end of the sidewall of the water storage chamber and the bottom of the water storage chamber and the top of the conical sedimentation tank are partitioned by a movable partitioning plate, the movable partitioning plate comprises fixed blades and movably blades which are coaxial, the bottom of the conical sedimentation tank is communicated with the slide chamber via move-guiding pipesat both ends of a move-guiding chamber, a screw rod and a slide rod which pass through a left sliding block and a right sliding block and extend to the left and the right are arranged in the slide chamber, the screw rod is respectively connected to the left sliding block and the right sliding block through threads opposite in direction, one end of the screw rod is in driven connection with a motor, and the interior of each of the left sliding block and the right sliding block is provided with a vertical through cavity; and the bottom of the sedimentation chamber is provided with a sediment collection port. According to the invention, the opening, closing and pure water and sediment separation operation of the environment-friendly wastewater treatment device are automatically controlled, and the efficiency of sediment treatment is improved.
Owner:宁波蒙曼生物科技有限公司
Nanometer water purifying material for organic removal, its preparation method and uses
InactiveCN1544343AEasy to prepareEasy to useOther chemical processesAlkali metal oxides/hydroxidesGlass fiberAluminium hydroxide
The present invention relates to the field of water purification, in particular a series of macromolecular nano water purification material and process for preparing the material, wherein macromolecular material is used as bulking agent and nano material is used as filtering member for effective processing to the organics in the water, the predominating constituent of the material being oxidization - oxyhydrogen phase of aluminium, 35-70%, fiber glass 15-35%, cellulose 10-25%, wherein the grain diameter of alumina - aluminium hydroxide is 20-60 nanometer, the specific surface area is 360-800 square meter per gram.
Owner:JILIN UNIV
High-throughput cavitation and electrocoagulation apparatus
ActiveUS8673129B2Improve water purification efficiencyCellsPolycrystalline material growthElectrocoagulationCavitation
The invention relates to a cavitation and electrocoagulation reactor comprising a hollow cylindrical cathode having a cylindrical anode coaxially disposed therein to form an annular interelectrode gap between the contact surfaces. An inlet sleeve and an outlet sleeve disposed in the respective inlet and outlet of the cathode and abutting against opposite ends of the anode seal the interelectrode gap from the respective inlet and outlet of the cathode. A set of channels disposed in the wall of the inlet sleeve connect the inlet to the interelectrode gap. Similarly, a set of openings disposed in the outlet sleeve connect the interelectrode gap to the cathode outlet. An electrical source has first and second terminals respectively connected to the anode and the cathode. The method for removing contaminants from a contaminated fluid flow involves the simultaneous application of hydrodynamic cavitation and electrocoagulation to the contaminated fluid flow.
Owner:CAVITATION TECH
Aeration device based on turbulent microbubbles
ActiveCN106673223AImprove mixing efficiencyImprove dissolution efficiencyWater aerationSustainable biological treatmentMicrobubblesGas compressor
The invention relates to the technical field of sewage treatment equipment, and discloses an aeration device based on turbulent microbubbles. The aeration device comprises a rotary shaft, wherein the rotary shaft is a hollow shaft with two sealed ends; an air inlet pipe is connected to the left end of the rotary shaft through a movable adaptor interface; when the rotary shaft rotates, the air inlet pipe keeps still; an air compressor is connected to the end part of the air inlet pipe; the air inlet pipe is communicated with a hollow area inside the rotary shaft; a blade is fixedly arranged on the rotary shaft through a sleeve, and is a hollow blade; a hollow area of the blade is communicated with a hollow area of the rotary shaft; micropores communicated with the outside are intensively formed in the blade; the right end of the rotary shaft is connected with a motor; the motor can drive the rotary shaft to rotate. The aeration device based on the turbulent microbubbles provided by the invention is simple to operate, low in cost, can ensure sufficient oxygen to blend into water, is beneficial for greatly reducing the aeration consumption, and has a very high treatment effect.
Owner:SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING
Ultra concentrated algae bacteria microecological equipment suspension type water quality modifier and its preparation method
InactiveCN1657444APromote proliferationInhibition of growth and reproductionMicroorganismsBiological water/sewage treatmentWater qualitySuspending Agents
A suspended water improving using super-concentrated phycobacteria for microecological balance contains proportionally the concentrated seaweed liquid, concentrated bacteria liquid, special nutritive liquid and suspending agent. It has high effect to improve water quality.
Owner:NORTHWEST A & F UNIV +1
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